2023年4月7日
jackson序列化报 Null key for a Map not allowed in JSON (use a converting NullKeySerializer?)
摘要： 报错:"requestParam":null,"errorMsg":"org.springframework.http.converter.HttpMessageNotWritableException: Could not write JSON: Null key for a Map not al 阅读全文
posted @ 2023-04-07 10:18 chillymint 阅读(912) 评论(0) 推荐(0)